This Lawn Mower is not self-propelled. Innovative Smart Cut technology automatically increases the speed of the blade when more power is needed.Our dual battery port design enables one battery to be stored while the other fuels the mower for uninterrupted cutting; saving a you a trip to the garage. Up to 55% of U. Homes only need one charge to get the job done. 10" rear wheels and 7" front wheels make it easy to maneuver through any range of terrain. Dimensions : 61 x 21 x 42 inches. The item "Greenworks 40V 20'' Cordless Lawn Mower Brushless 4Ah Battery & Charger Included" is in sale since Saturday, May 8, 2021. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers, Parts & Accessories\Lawn Mowers". The seller is "glbpowertools" and is located in Bell, California. This item can be shipped to United States.